CN213132674U - Cyclic recycling device for waste gas absorption solution in chloro-nitrile-aldehyde synthesis reaction - Google Patents
Cyclic recycling device for waste gas absorption solution in chloro-nitrile-aldehyde synthesis reaction Download PDFInfo
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- CN213132674U CN213132674U CN202021334905.XU CN202021334905U CN213132674U CN 213132674 U CN213132674 U CN 213132674U CN 202021334905 U CN202021334905 U CN 202021334905U CN 213132674 U CN213132674 U CN 213132674U
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- solution
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- 239000002912 waste gas Substances 0.000 title claims abstract description 65
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 22
- 238000004064 recycling Methods 0.000 title claims description 19
- 238000010686 aldehyde synthesis reaction Methods 0.000 title claims description 11
- 125000004122 cyclic group Chemical group 0.000 title claims description 5
- 238000011084 recovery Methods 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 9
- 239000000460 chlorine Substances 0.000 claims abstract description 9
- -1 chlorine nitrile aldehyde Chemical class 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 38
- 238000001914 filtration Methods 0.000 claims description 13
- 238000005273 aeration Methods 0.000 claims description 11
- 238000003786 synthesis reaction Methods 0.000 claims description 10
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000005906 Imidacloprid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 229940056881 imidacloprid Drugs 0.000 description 3
- YWTYJOPNNQFBPC-UHFFFAOYSA-N imidacloprid Chemical compound [O-][N+](=O)\N=C1/NCCN1CC1=CC=C(Cl)N=C1 YWTYJOPNNQFBPC-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a chlorine nitrile aldehyde synthetic reaction waste gas absorption solution circulation retrieval and utilization device, including retrieving jar and rectifier tank, it has the landing leg that the equidistance is the annular structure and distributes to retrieve all to weld on jar and the rectifier tank bottom outer wall, and rectifier tank one side outer wall is close to top department welding and has the fagging, and installs the water pump through the bolt on the fagging top outer wall, and rectifier tank one side outer wall is close to top department welding and has the inlet pipe that link up each other with the rectifier tank, and the inlet pipe is kept away from the one end of rectifier tank and is passed through the bolt and install on the water pump delivery port, it has the drain pipe that extends to the inside of recovery. The utility model can drive the stirring paddle to rotate, thereby stirring the solution in the recovery tank, fully contacting the waste gas with the solution, and accelerating the speed of dissolving the waste gas in the solution; and meanwhile, during rectification, the fan can quickly enable the evaporated gas in the rectification tank to be discharged out of the rectification tank, so that the effect of the device on rectifying the waste gas absorption solution is improved.
Description
Technical Field
The utility model relates to an imidacloprid production technical field especially relates to a chlorine nitrile aldehyde synthetic reaction waste gas absorption solution circulation retrieval and utilization device.
Background
Imidacloprid is a nicotine type super-efficient pesticide, is colorless crystal and has weak smell, and chloronitrile aldehyde is a main material required to be used in imidacloprid production.
At present, the existing chlorine nitrile aldehyde can produce more waste gas when synthesizing, but the reaction of the waste gas of the existing waste gas recovery tank and the solution is slower, so that the waste gas treatment time is prolonged, and when the waste gas absorption solution in the recovery tank is rectified, the gas is discharged slowly when the existing rectifying device is rectified, so that the rectifying effect is poor, therefore, a chlorine nitrile aldehyde synthesis reaction waste gas absorption solution circulation and reuse device is urgently needed to be designed to solve the problems.
Disclosure of Invention
The utility model aims at solving the problem that the waste gas of the existing chlorine nitrile aldehyde waste gas recovery tank reacts with the solution slowly and the gas is discharged slowly during rectification in the prior art, and providing a chlorine nitrile aldehyde synthetic reaction waste gas absorption solution recycling device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a cyclic recycling device for waste gas absorption solution in the synthesis reaction of chloronitrile aldehyde comprises a recovery tank and a rectification tank, wherein supporting legs which are distributed in an annular structure at equal intervals are welded on the outer walls of the bottoms of the recovery tank and the rectification tank, a supporting plate is welded on the outer wall of one side of the rectification tank close to the top, a water pump is installed on the outer wall of the top of the supporting plate through bolts, a feeding pipe which is communicated with the rectification tank is welded on the outer wall of one side of the rectification tank close to the top, one end, far away from the rectification tank, of the feeding pipe is installed on a water outlet of the water pump through bolts, a liquid outlet pipe which extends into the recovery tank is inserted on the outer wall of the bottom of the recovery tank, one end, far away from the recovery tank, of the liquid outlet pipe is installed on a water inlet flange of the water pump through bolts, a discharging pipe which extends into the rectification tank, retrieve jar side inner wall and be close to bottom department and install the aeration dish through the bolt, and on the aeration dish bottom outer wall with all set up the gas pocket that is equidistance structure and distributes on the top outer wall, it has the intake pipe that extends to aeration dish inside to retrieve jar one side outer wall to be close to bottom department grafting, install driving motor through the bolt on the outer wall of recovery tank top, and driving motor's output passes through the shaft coupling and installs the pivot, the welding has the stirring rake that is equidistance structure and distributes on the outer wall of pivot both sides.
The key concept of the technical scheme is as follows: when the recovery tank is used for recovering the waste gas, a worker can start the driving motor to enable the rotating shaft to drive the stirring paddle to rotate, so that the solution in the recovery tank is stirred, the waste gas is fully contacted with the solution, the speed of the waste gas dissolved in the solution is increased, and the efficiency of the device for treating the waste gas is improved; when the rectification tank is used for rectifying the waste gas absorption solution, a worker can open the fan, and the fan can quickly enable evaporated gas in the rectification tank to be discharged out of the rectification tank, so that the rectification effect of the device on the waste gas absorption solution is favorably improved.
Furthermore, the heating wire is installed on the inner wall of the side surface of the rectifying tank close to the bottom through bolts, and the filtering screen plates distributed in an equidistant structure are installed inside the rectifying tank through bolts.
Furthermore, an air outlet cylinder which is communicated with the recovery tank is welded on one side of the outer wall of the top of the recovery tank, a gas pipe which is communicated with the air outlet cylinder is welded on the outer wall of the top of the air outlet cylinder, and a three-way pipe is connected to one end, far away from the air outlet cylinder, of the gas pipe in a threaded mode.
Furthermore, a fan barrel which is mutually communicated with the rectifying tank is installed on the outer wall of the top of the rectifying tank through a bolt, the fan barrel is mutually communicated with the three-way pipe through a pipeline, and a fan is installed inside the fan barrel through a bolt.
Furthermore, the air outlet end of the three-way pipe is provided with a filter tank through a bolt, and the filter tank is internally provided with a filter screen through a bolt.
Furthermore, the base plates are respectively installed at the positions, close to the top, of the inner wall of the side face of the air outlet cylinder and the positions, close to the top, of the inner wall of the side face of the rectifying tank through bolts, and the conical blocks which are distributed in an equidistant structure are welded on the outer wall of the bottom of the base plate.
Furthermore, through holes distributed in an equidistant structure are formed in the outer wall of the top of the substrate, and a filter screen is installed inside the through holes through bolts.
The utility model has the advantages that:
1. through the stirring rake that sets up, when using the recovery jar to retrieve waste gas, the staff can start driving motor for the pivot drives the stirring rake and rotates, thereby stirs the solution of retrieving jar inside, makes waste gas and solution fully contact, makes the speed that waste gas is dissolved in solution accelerate, thereby improves the device to exhaust-gas treatment's efficiency.
2. Through the fan that sets up, when using the rectifier tank to carry out the rectification to waste gas absorption solution, the staff can open the fan, and the fan can make the gaseous discharge rectifier tank of evaporation in the rectifier tank fast, is favorable to improving the device to the effect of waste gas absorption solution rectification.
3. Through the base plate that sets up, when the rectification tank was with the inside waste gas discharge jar body of recovery jar, the base plate can advance to waste gas and block, and waste gas can advance into the through-hole this moment, and then the liquid drop can glue on the base plate in blocking of filter screen is gaseous down, can assemble on the taper block and become great liquid drop afterwards under gravity, then in drippage the solution again, be favorable to reducing the waste to the resource.
Drawings
FIG. 1 is a front view of the structure of a waste gas absorbing solution recycling device for a chlorine nitrile aldehyde synthesis reaction provided by the present invention;
FIG. 2 is a schematic structural view of a recycling tank of the waste gas absorbing solution recycling device for the chlorine nitrile aldehyde synthesis reaction provided by the present invention;
FIG. 3 is a schematic structural view of a rectification tank of a waste gas absorption solution recycling device for a chloro-nitrile-aldehyde synthesis reaction provided by the present invention;
FIG. 4 is a schematic structural diagram of a substrate of the waste gas absorbing solution recycling device for a chloro-nitrile-aldehyde synthesis reaction provided by the present invention;
fig. 5 is a schematic structural diagram of a filtration tank of the waste gas absorption solution recycling device for the chloro-nitrile-aldehyde synthesis reaction provided by the utility model.
In the figure: the device comprises a recovery tank 1, a rectification tank 2, a support leg 3, an air inlet pipe 4, a liquid inlet pipe 5, a driving motor 6, an air outlet cylinder 7, a liquid outlet pipe 8, a supporting plate 9, a water pump 10, a discharge pipe 11, a fan cylinder 12, a three-way pipe 13, a filter tank 14, a base plate 15, a rotating shaft 16, a stirring paddle 17, an aeration disc 18, air holes 19, a filter screen plate 20, an electric heating wire 21, a fan 22, a filter screen 23, a through hole 24, a filter screen 25, a cone block 26, a gas pipe 27 and a gas inlet pipe 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, a device for recycling a waste gas absorbing solution in a chloranil synthesis reaction comprises a recovery tank 1 and a rectification tank 2, wherein the recovery tank 1 is used for recovering gas generated in the chloranil synthesis, the rectification tank 2 is used for rectifying the recovered solution, supporting legs 3 which are distributed in an annular structure at equal intervals are welded on the outer walls of the bottoms of the recovery tank 1 and the rectification tank 2, a supporting plate 9 is welded on the outer wall of one side of the rectification tank 2 close to the top and used for mounting a water pump 10, the water pump 10 is mounted on the outer wall of the top of the supporting plate 9 through a bolt, the type of the water pump 10 is preferably P6066, the solution in the recovery tank 1 enters the rectification tank 2 through a liquid outlet pipe 8, a feeding pipe 28 which is mutually communicated with the rectification tank 2 is welded on the outer wall of one side of the rectification tank 2 close to the top, and one end of the feeding pipe 28, which is far away, the outer wall of the bottom of the recovery tank 1 is spliced with a liquid outlet pipe 8 extending to the interior of the recovery tank 1, under the action of a water pump 10, a solution in the recovery tank 1 enters the rectification tank 2, one end of the liquid outlet pipe 8, which is far away from the recovery tank 1, is installed on a water inlet flange of the water pump 10 through a bolt, a discharge pipe 11 extending to the interior of the rectification tank 2 is spliced on the outer wall of the bottom of the rectification tank 2, so that the rectified liquid in the rectification tank 2 can be discharged conveniently, a liquid inlet pipe 5 communicated with the recovery tank 1 is spliced on one side of the outer wall of the top of the recovery tank 1, so that the solution can be added into the recovery tank 1 so as to absorb waste gas, an aeration disc 18 is installed on the inner wall of the side of the recovery tank 1, which is close to the bottom, through a bolt, so that the waste gas entering the recovery tank 1 through an air inlet pipe 4 can be fully contacted with the solution in the, retrieve 1 one side outer wall of jar and peg graft near bottom department and have the intake pipe 4 that extends to aeration dish 18 inside, install driving motor 6 through the bolt on retrieving 1 top outer wall of jar, the preferred ZDMK12-4F2 of driving motor 6 model, a rotation power is provided for pivot 16, and driving motor 6's output installs pivot 16 through the shaft coupling, a transmission motion, the welding has the stirring rake 17 that is equidistant structure distribution on the outer wall of pivot 16 both sides, a solution that is used for driving stirring rake 17 in pivot 16 and retrieves 1 insidely of jar stirs, make the solution fully react with waste gas.
As can be seen from the above description, the present invention has the following advantages: when the recovery tank 1 is used for recovering waste gas, a worker can start the driving motor 6 to enable the rotating shaft 16 to drive the non-stirring paddle 17 to rotate, so that the solution in the recovery tank 1 is stirred, the waste gas is fully contacted with the solution, the speed of dissolving the waste gas in the solution is increased, and the efficiency of the device for treating the waste gas is improved; when rectifying tank 2 is used for rectifying the waste gas absorption solution, a worker can open fan 22, and fan 22 can quickly enable evaporated gas in rectifying tank 2 to be discharged out of rectifying tank 2, so that the effect of the device on rectifying the waste gas absorption solution is improved.
Further, the heating wire 21 is installed near the bottom of the inner wall of the side of the rectifying tank 2 through bolts for heating the solution falling at the bottom of the rectifying tank 2, and the filtering screen plates 20 which are distributed in an equidistant structure are installed inside the rectifying tank 2 through bolts for filtering the solution entering the rectifying tank 2.
Further, the welding of 1 top outer wall one side of recovery jar has a play gas cylinder 7 that link up each other with recovery jar 1, play gas cylinder 7 internally mounted has base plate 15 for filter 1 exhaust waste gas of recovery jar, make during the liquid drop that gas carried drips back solution, and the welding has the gas-supply pipe 27 that link up each other with play gas cylinder 7 on 7 top outer walls of a play gas cylinder, be arranged in conveying gas gets into and filters jar 14, the one end threaded connection that a play gas cylinder 7 was kept away from to gas-supply pipe 27 has three-way pipe 13.
Further, a fan barrel 12 which is mutually communicated with the rectifying tank 2 is installed on the outer wall of the top of the rectifying tank 2 through a bolt and used for installing a fan 22, the fan barrel 12 is mutually communicated with the three-way pipe 13 through a pipeline, the fan 22 is installed inside the fan barrel 12 through a bolt, and the type of the fan 22 is preferably HTF-4 and used for accelerating the discharge of gas inside the rectifying tank 2 so as to accelerate the rectifying speed.
Further, the filter tank 14 is installed through the bolt in the end of giving vent to anger of three-way pipe 13 for the gas business turn over that retrieves jar 1 and rectification tank 2 inside to discharging filters, and filters 14 inside and install filter screen 23 through the bolt, and filter screen 23 is inside to be filled there is active carbon, is convenient for filter 14 in the gas to filtering.
Further, gas outlet cylinder 7 side inner wall is close to top department and 2 side inner walls of rectification jar and is close to top department and all installs base plate 15 through the bolt for liquid drop to carrying in the gas intercepts, makes most liquid drop can not garrulous gaseous discharge, and the welding has the awl piece 26 that is equidistance structure distribution on the outer wall of base plate 15 bottom, is convenient for make the liquid drop on the base plate 15 drip into in the solution.
Further, the through holes 24 distributed in an equidistant structure are formed in the outer wall of the top of the base plate 15, so that gas can pass through the base plate 15 conveniently, and the filter screen 25 is installed in the through holes 24 through bolts and used for preventing liquid drops carried in the gas from passing through the base plate 15.
Adopt the base plate 15 of above-mentioned setting, when rectification tank 2 and the inside waste gas discharge jar body of recovery jar 1, base plate 15 can advance to block waste gas, and waste gas can advance into through-hole 24 this moment, and then the liquid drop can glue on base plate 15 in the gas under the block of filter screen 25, can assemble to become great liquid drop on taper block 26 afterwards under gravity, then in drippage the solution again, be favorable to reducing the waste to the resource.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
A cyclic recycling device for waste gas absorption solution generated in the synthesis reaction of chloro-nitrile-aldehyde comprises a recovery tank 1 and a rectification tank 2, wherein the recovery tank 1 is used for recovering gas generated in the synthesis of chloro-nitrile-aldehyde, the rectification tank 2 is used for rectifying the recovered solution, supporting legs 3 which are distributed in an annular structure at equal intervals are welded on the outer walls of the bottoms of the recovery tank 1 and the rectification tank 2, a supporting plate 9 is welded on the outer wall of one side of the rectification tank 2 close to the top and used for mounting a water pump 10, the outer wall of the top of the supporting plate 9 is provided with the water pump 10 through a bolt, the type of the water pump 10 is preferably P6066 and used for enabling the solution in the recovery tank 1 to enter the rectification tank 2 through a liquid outlet pipe 8, a feeding pipe 28 which is communicated with the rectification tank 2 is welded on the outer wall of one side of the rectification tank 2 close to the top, one end, far away from the rectification tank 2, of the feeding pipe 28 is mounted on, under the action of a water pump 10, a solution in a recovery tank 1 enters a rectification tank 2, one end of a liquid outlet pipe 8, which is far away from the recovery tank 1, is installed on a water inlet flange of the water pump 10 through a bolt, a discharge pipe 11 extending to the interior of the rectification tank 2 is inserted and connected onto the outer wall of the bottom of the rectification tank 2, so that the rectified liquid in the rectification tank 2 can be conveniently discharged, a liquid inlet pipe 5 communicated with the recovery tank 1 is inserted and connected onto one side of the outer wall of the top of the recovery tank 1, so that the solution can be conveniently added into the recovery tank 1, so that the waste gas can be conveniently absorbed, an aeration disc 18 is installed on the inner wall of the side surface of the recovery tank 1, which is close to the bottom, through a bolt, so that the waste gas entering the recovery tank 1 through an air inlet pipe 4 is fully contacted with the solution in the recovery tank 1, air holes 19 distributed in an equidistant structure are formed on the outer wall of the bottom, install driving motor 6 through the bolt on retrieving jar 1 top outer wall, driving motor 6 model is preferred to be ZDMK12-4F2 for 16 rotations of pivot provide power, and driving motor 6's output passes through the shaft coupling and installs pivot 16, be used for the transmission motion, the welding has the stirring rake 17 that is equidistant structure distribution on the outer wall of 16 both sides of pivot, be used for driving stirring rake 17 in pivot 16 and stir the solution of retrieving jar 1 inside, make solution fully react with waste gas.
Wherein, the heating wire 21 is arranged on the inner wall of the side surface of the rectifying tank 2 near the bottom through a bolt and is used for heating the solution falling on the bottom of the rectifying tank 2, and the filtering screen plates 20 which are distributed in an equidistant structure are arranged in the rectifying tank 2 through bolts and are used for filtering the solution entering the rectifying tank 2; an air outlet cylinder 7 communicated with the recovery tank 1 is welded on one side of the outer wall of the top of the recovery tank 1, a base plate 15 is installed inside the air outlet cylinder 7 and used for filtering waste gas discharged from the recovery tank 1, so that liquid drops carried by the gas are dripped into the solution, an air delivery pipe 27 communicated with the air outlet cylinder 7 is welded on the outer wall of the top of the air outlet cylinder 7 and used for delivering the gas into a filter tank 14, and a three-way pipe 13 is connected to one end, far away from the air outlet cylinder 7, of the air delivery pipe 27 in a threaded manner; a fan cylinder 12 communicated with the rectifying tank 2 is mounted on the outer wall of the top of the rectifying tank 2 through a bolt and used for mounting a fan 22, the fan cylinder 12 is communicated with a three-way pipe 13 through a pipeline, the fan 22 is mounted inside the fan cylinder 12 through a bolt, and the model of the fan 22 is preferably HTF-4 and used for accelerating the discharge of gas inside the rectifying tank 2 so as to accelerate the rectifying speed; the gas outlet end of the three-way pipe 13 is provided with a filter tank 14 through a bolt and is used for filtering gas discharged from the interior of the recovery tank 1 and the interior of the rectifying tank 2, a filter screen 23 is arranged in the filter tank 14 through a bolt, and activated carbon is filled in the filter screen 23 so as to filter the gas in the filter tank 14 conveniently; the base plates 15 are mounted on the positions, close to the top, of the inner wall of the side face of the gas outlet cylinder 7 and the positions, close to the top, of the inner wall of the side face of the rectifying tank 2 through bolts and used for intercepting liquid drops carried in gas, so that most of the liquid drops cannot be broken and gas is discharged, and the conical blocks 26 distributed in an equidistant structure are welded on the outer wall of the bottom of the base plate 15, so that the liquid drops on the base plate 15 can fall into a solution conveniently; set up on the outer wall of base plate 15 top and be the through-hole 24 that equidistant structure distributes, the gaseous base plate 15 that passes through of being convenient for, and the through-hole 24 is inside installs filter screen 25 through the bolt for prevent that the liquid drop that carries in the gas from passing through base plate 15.
The working principle is as follows: when the device is used, a worker can add absorption solution into the recovery tank 1 through the liquid inlet pipe 5, then the worker can open the control valve on the gas inlet pipe 4, so that waste gas generated in the synthesis of the chloronitrile aldehyde enters the recovery tank 1 through the gas inlet pipe 4, at the moment, the worker can open the driving motor 6, the rotating shaft 16 drives the stirring paddle 17 to stir the solution in the recovery tank 1, the gas entering the solution through the aeration disc 18 fully reacts with the solution, the speed of the waste gas dissolved in the solution is improved, meanwhile, the gas insoluble in the solution enters the filter tank 14 through the gas outlet cylinder 7 and the gas conveying pipe 27, then is discharged into the air after being filtered by the filter tank 27, then after the waste gas treatment is finished, the worker can open the water pump 10, so that the solution in the recovery tank 1 flows into the rectification tank 2 through the liquid outlet pipe 8, at the moment, the solution entering the rectification tank 2 falls on the filter screen plate 20 under the action of gravity, then the solution falls to the bottom of the rectifying tank 2 through the filter screen plate 20, at this time, a worker can open the heating wire 21 to heat the solution, at the same time, the worker can open the fan 22 to accelerate the steam inside the rectifying tank 2 to flow out of the rectifying tank 2 during rectification, meanwhile, when the steam passes through the base plate 15, the liquid drops carried by the steam can be blocked by the filter screen 25 inside the through hole 24, then the liquid drops in the gas can be adhered to the base plate 15 under the blocking of the filter screen 22, then the liquid drops can be converged on the cone block 26 under the gravity to form larger liquid drops, then the liquid drops fall on the filter screen plate 20 again to be rectified, meanwhile, the steam generated after rectification can flow into the filter tank 14 through the fan cylinder 12, the pipeline and the three-way pipe 13, then the liquid drops out of the filter tank 14 after being filtered by the filter screen 23, then the worker can twist the control valve on the discharge pipe 11 after the rectification is finished, so that the rectified liquid, thereby flowing into other equipment for reaction.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A cyclic recycling device for waste gas absorption solution in a chloro-nitrile-aldehyde synthesis reaction comprises a recovery tank (1) and a rectification tank (2), and is characterized in that supporting legs (3) which are distributed in an annular structure at equal intervals are welded on the outer walls of the bottoms of the recovery tank (1) and the rectification tank (2), a supporting plate (9) is welded on the outer wall of one side of the rectification tank (2) close to the top, a water pump (10) is installed on the outer wall of the top of the supporting plate (9), a feeding pipe (28) communicated with the rectification tank (2) is welded on the outer wall of one side of the rectification tank (2) close to the top, one end, far away from the rectification tank (2), of the feeding pipe (28) is installed on a water outlet of the water pump (10) through a bolt, a liquid outlet pipe (8) extending to the interior of the recovery tank (1) is inserted on the outer wall of the bottom of the recovery tank (1), and one end, far away from the recovery, a discharge pipe (11) extending to the interior of the rectification tank (2) is inserted on the outer wall of the bottom of the rectification tank (2), a liquid inlet pipe (5) communicated with the recovery tank (1) is inserted into one side of the outer wall of the top of the recovery tank (1), an aeration disc (18) is arranged on the inner wall of the side surface of the recovery tank (1) close to the bottom through bolts, and the outer wall of the bottom part and the outer wall of the top part of the aeration disc (18) are both provided with air holes (19) which are distributed in an equidistant structure, an air inlet pipe (4) extending into the aeration disc (18) is inserted in the outer wall of one side of the recovery tank (1) near the bottom, a driving motor (6) is arranged on the outer wall of the top of the recovery tank (1) through a bolt, and the output end of the driving motor (6) is provided with a rotating shaft (16) through a coupling, the outer walls of the two sides of the rotating shaft (16) are welded with stirring paddles (17) which are distributed in an equidistant structure.
2. The device for recycling the waste gas absorbing solution in the synthesis reaction of the chloronitrile aldehyde according to claim 1, wherein the heating wire (21) is installed on the inner wall of the side surface of the rectifying tank (2) near the bottom through bolts, and the filtering screen plates (20) which are distributed in an equidistant structure are installed inside the rectifying tank (2) through bolts.
3. The waste gas absorption solution recycling device for chlorine nitrile aldehyde synthesis reaction according to claim 1, wherein an air outlet cylinder (7) communicated with the recovery tank (1) is welded on one side of the outer wall of the top of the recovery tank (1), an air delivery pipe (27) communicated with the air outlet cylinder (7) is welded on the outer wall of the top of the air outlet cylinder (7), and one end of the air delivery pipe (27) far away from the air outlet cylinder (7) is connected with a three-way pipe (13) in a threaded manner.
4. The device for recycling the waste gas absorbing solution in the synthesis reaction of the chloronitrile aldehyde according to claim 1, wherein the outer wall of the top of the rectifying tank (2) is provided with a blower barrel (12) which is communicated with the rectifying tank (2) through a bolt, the blower barrel (12) is communicated with a three-way pipe (13) through a pipeline, and the blower barrel (12) is internally provided with a blower (22) through a bolt.
5. The device for recycling waste gas absorption solution in the synthesis reaction of chloronitrile aldehyde according to claim 3, wherein the filtering tank (14) is installed at the gas outlet end of the three-way pipe (13) through a bolt, and the filtering screen (23) is installed inside the filtering tank (14) through a bolt.
6. The device for recycling the waste gas absorbing solution in the synthesis reaction of chloronitrile aldehyde according to claim 3, wherein the base plate (15) is installed on the positions, close to the top, of the inner side wall of the gas outlet cylinder (7) and the positions, close to the top, of the inner side wall of the rectification tank (2) through bolts, and the outer wall of the bottom of the base plate (15) is welded with the conical blocks (26) which are distributed in an equidistant structure.
7. The device for recycling waste gas absorbing solution in chloranil aldehyde synthesis reaction according to claim 6, wherein the outer wall of the top of the base plate (15) is provided with through holes (24) distributed in an equidistant structure, and a filter screen (25) is installed inside the through holes (24) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694839A (en) * | 2021-09-03 | 2021-11-26 | 河南氢力能源有限公司 | High-efficiency hydrogenation reactor for producing furfuryl alcohol by furfural hydrogenation |
| CN117046297A (en) * | 2023-10-12 | 2023-11-14 | 常州宏川石化仓储有限公司 | Dry and wet waste gas conveying mechanism, vocs waste gas recycling system and recycling method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694839A (en) * | 2021-09-03 | 2021-11-26 | 河南氢力能源有限公司 | High-efficiency hydrogenation reactor for producing furfuryl alcohol by furfural hydrogenation |
| CN117046297A (en) * | 2023-10-12 | 2023-11-14 | 常州宏川石化仓储有限公司 | Dry and wet waste gas conveying mechanism, vocs waste gas recycling system and recycling method |
| CN117046297B (en) * | 2023-10-12 | 2024-01-02 | 常州宏川石化仓储有限公司 | Dry and wet waste gas conveying mechanism, vocs waste gas recycling system and recycling method |
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